Answer:
It's important for a scientist to try to hold all variables constant except for the independent variable. If a control variable changes during an experiment, it may invalidate the correlation between the dependent and independent variable. When possible, control variables should be identified, measured, and recorded.
Answer:
Transcription is the process of making an RNA copy of a gene sequence. This copy, called a messenger RNA (mRNA) molecule, leaves the cell nucleus and enters the cytoplasm, where it directs the synthesis of the protein, which it encodes.
Explanation:
Answer: The correct option is <span>a long carbon and hydrogen chain and a carboxyl group.
Reason: Fatty acid is basically consists of two main parts:
a hydrocarbon tail connected with carboxylic group as shown in the figure.</span>
The nurse should arrange an immediate home visit with the visiting nurse service and the social worker.
Carrying for the person with dementia is not that simple, it’s even challenging and stressful. Frustration and stress may negatively impact on the health of the client. So, caregiver must be someone calm and stable. Because of that, a person with moderate intellectual disability might not be the most appropriate for this duty.
Answer:
c. By infecting living cells
Explanation:
c. By infecting living cells